Electric bicycle



FIG. 1 is a front view of the design for an electric bicycle;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines are included for the purpose of illustrating portions of the electric bicycle and form no part of the claimed design. 

CLAIM The ornamental design for an electric bicycle, as shown and described. 